Telephone unit



FIG. 1 is a top plan view of a telephone unit, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof taken from the right side of FIG. 1;

FIG. 6 is a side elevational view thereof taken from the left side of FIG. 1;

FIG. 7 is a perspective view thereof; and 

The ornamental design for a telephone unit, as shown and described. 